Human mouths are dominated by streptococcal bacteria, which are good at eating sugars. “Since cats and dogs normally don’t eat too many doughnuts, there’s almost no strep,” he says.

It's a bugbear in every pet owner's life - but it usually something they have to put up with from time to time - why their ...

Certainly, in domestic situations, dogs don’t have any natural predators. But if you go back in time, bears, wolves and big ...